Home / 123,724.26-185,421.15-64,435.62

Finding the Fourth Proportional to 123,724.26, 185,421.15 and 64,435.62

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Solution

The fourth proportional to 123,724.26, 185,421.15 and 64,435.62 is: 96,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.26 : 185,421.15 = 64,435.62 : x
  2. Step 2: Convert to fraction form
    123,724.26/185,421.15 = 64,435.62/x
  3. Step 3: Cross multiply
    123,724.26x = 185,421.15 × 64,435.62
  4. Step 4: Simplify right side
    123,724.26x = 11,947,726,761.36
  5. Step 5: Solve for x
    x = 11,947,726,761.36/123,724.26
  6. Step 6: Final answer
    x = 96,567.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.